3bags of wheat ,2 bags of corn and 1 bag of oats weigh the same as a 1 bag of wheat , one bag of corn and five bags of oats . if 2 bags of corn and 1 bag of oats weights 26 pounds, and on bag of corn weighs 10 pounds , how much does on bag of wheat weight?

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Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent.the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244